SEXPREC_HEADER

SEXPREC_HEADER is a macro comprising the declaration of four objects:

• struct sxpinfo_struct sxpinfo

• struct SEXPREC *attrib

• struct SEXPREC *gengc_next_node

• struct SEXPREC *gengc_prev_node

SEXPREC_HEADER is used in the declaration of SEXPREC.

Declaration

#define SEXPREC_HEADER \
    struct sxpinfo_struct sxpinfo; \
    struct SEXPREC *attrib; \
    struct SEXPREC *gengc_next_node, *gengc_prev_node;

In Rinternals.h.

See also

SEXPREC, sxpinfo_struct